Yamaha BT1100 2002 Service Manual page 33

Tightening torques
Part to be tightened
Cylinder head
Cylinder head
Plate
Cylinder head cover
Cylinder head (exhaust pipe)
Rocker arm shaft
Camshaft sprocket cover
Tappet cover
Rocker arm shaft
(oil passage)
Stopper plate (camshaft)
Spark plug
Cylinder
Lower cylinder head cover
Upper cylinder head cover
Connecting rod
Rotor
Valve adjusting locknut
Camshaft sprocket
Timing chain tensioner
Timing chain tentioner cap
Timing chain guide
Oil pump
Oil strainer cover
Oil filter cover
Oil pump gear
Oil pump cap
Oil delivery pipe (cylinder head)
(crankcase)
Oil drain bolt
Air filter:
Air filter cover fastener
Carburetor cover fastener
A.I.S. system:
A.I.S. system fastener
(pump and piping)
A.I.S. system pipe fastener
to engine starter
A.I.S. pump fastener
to A.I.S. bracket
Exhaust system:
Cylinder head and exhaust pipe joint
Exhaust pipe bracket
Exhaust pipe/exhaust pipe
guard fastener (rear)
MAINTENANCE SPECIFICATIONS
Part Thread
name size
Nut M12
Nut M10
Bolt M8
Screw M6
Stud bolt M8
Union M16
bolt
Bolt M6
Bolt M6
Bolt M16
Bolt M8
– M14
Bolt M6
Bolt M6
Screw M6
Nut M9
Nut M16
Nut M8
Bolt M10
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Bolt M6
Union M16
bolt
Union M10
bolt
– M14
Screw M5
Screw M5
Screw M6
Screw M6
Screw M5
Nut M8
Screw M8
Screw M8
2-12
SPEC
Tightening
Q'ty torque Remarks
· ·
N m m kg
8 50 5.0
2 35 3.5
2 20 2.0
4 4 0.4
4 12.5 1.25
2 37.5 3.75
4 10 1.0
8 10 1.0
4 38 3.8
4 20 2.0 Use lock
washer
2 20 2.0
2 10 1.0
6 10 1.0
8 5 0.5
4 48 4.8
1 175 17.5
4 27 2.7
2 55 5.5
4 10 1.0
2 8 0.8
4 10 1.0
3 10 1.0
3 10 1.0
5 10 1.0
1 12 1.2
1 10 1.0
2 20 2.0
1 20 2.0
1 43 4.3
2 2 0.2
4 4.5 0.45
4 10 1.0
1 10 1.0
2 8 0.8
4 20 2.0
2 25 2.5
2 20 2.0